Home / 147,085.40-218,964.79-146,210.60

Finding the Fourth Proportional to 147,085.40, 218,964.79 and 146,210.60

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Solution

The fourth proportional to 147,085.40, 218,964.79 and 146,210.60 is: 217,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,085.40 : 218,964.79 = 146,210.60 : x
  2. Step 2: Convert to fraction form
    147,085.40/218,964.79 = 146,210.60/x
  3. Step 3: Cross multiply
    147,085.40x = 218,964.79 × 146,210.60
  4. Step 4: Simplify right side
    147,085.40x = 32,014,973,324.77
  5. Step 5: Solve for x
    x = 32,014,973,324.77/147,085.40
  6. Step 6: Final answer
    x = 217,662.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.